SP-123178

The 123178 is a product code for a spare part used with the digital DC drives from the 1395 product series by Allen-Bradley/Rockwell Automation. The 123178 3-pole contactor with DB is an important part for the 1395 drives and it should be replaced immediately if it is not working properly. The 123178 contactor has an amperage rating of 57 to 110 Amps and it operates on 550 Volts DC input voltage (50/60 Hertz). As it can be seen from the name of the 123178 spare part, the contactor has 3 poles and also a 115 Volts coil. The designation “DB” represents the type of contact arrangement. This product series is designed for less demanding applications in industrial environments where there is a strong need for reliability, flexibility, and modularity. The 1395 drives are made in variants with power ratings from 1 to 600 Horsepower and with input voltages from 230 Volts AC to 460 Volts AC. The drives are separated into regenerative and non-regenerative groups and they feature optional elements such as different kinds of adapters including ControlNet adapter boards, multi-communication adapters, node adapters, and discrete/digital reference adapters.

The features and functions that are included with the purchase of such a drive are a fused AC input, DC contactor, acceleration/deceleration adjustments, presets and limits for speed, protective features, programmable functions, and many more. The drive includes dynamic braking and line reactors accessories. It is important to mention that the drive should be kept in a dry and clean facility and in an environment without a corrosive atmosphere. The drive’s open chassis construction and standard enclosure allow it to only be used indoors. The storage temperature of the drive is within a range of 0 to 65 degrees Celsius (32 to 149 degrees Fahrenheit) and its operating temperature range is from 0 to 55 degrees Celsius (32 to 130 degrees Fahrenheit). The relative humidity for the drive should be from 5 to 95% (non-condensing).